4256531662 has 16 divisors (see below), whose sum is σ = 6742673280. Its totient is φ = 2011203832.

The previous prime is 4256531603. The next prime is 4256531681. The reversal of 4256531662 is 2661356524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553612 + ... + 561247.

It is an arithmetic number, because the mean of its divisors is an integer number (421417080).

Almost surely, 2^4256531662 is an apocalyptic number.

4256531662 is a deficient number, since it is larger than the sum of its proper divisors (2486141618).

4256531662 is a wasteful number, since it uses less digits than its factorization.

4256531662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114967.

The product of its digits is 259200, while the sum is 40.

The square root of 4256531662 is about 65242.1003800460. The cubic root of 4256531662 is about 1620.6352817572.

The spelling of 4256531662 in words is "four billion, two hundred fifty-six million, five hundred thirty-one thousand, six hundred sixty-two".